|Rank|Nation|Gold|Silver|Bronze|Total|
|---|---|---|---|---|---|
|1|Russia|3|0|2|5|
|2|Italy|1|1|0|2|
|3|Finland|0|1|0|1|
|3|Germany|0|1|0|1|
|3|Switzerland|0|1|0|1|
|6|France|0|0|1|1|
|6|Georgia|0|0|1|1|
||Total|4|4|4|12|

Question: what is the difference between the number of medals earned by the highest-earning country and the lowest-earning country?
Answer: 4